{"product_id":"martin-p4m-mercator-airframe-engine-primary-source-documentation-collection","title":"Martin P4M Mercator — Airframe \u0026 Engine Primary-Source Documentation Collection","description":"\u003cp\u003eThe Martin P4M Mercator was one of the most technically ambitious maritime patrol aircraft ever built — a mixed-propulsion platform combining two Pratt \u0026amp; Whitney R-4360 Wasp Major radial engines with two Allison J33 auxiliary turbojets, all sharing a single unified fuel system. Only 21 aircraft were produced, making surviving primary-source documentation exceptionally rare. Online Aviation Library has assembled the core surviving technical record for both the airframe and its powerplants.\u003c\/p\u003e\u003ch2\u003eWhat This Collection Covers\u003c\/h2\u003e\u003ch3\u003eAirframe Flight Handbooks\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAVAER 01-35EH-501\u003c\/strong\u003e — Pilot's Handbook, Navy Model P4M-1 Aircraft (1 May 1951) — supersedes NAVAER 01-35EH-501 dated 15 June 1950, revised 1 December 1950. Originally marked RESTRICTED; now declassified.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNAVAER 01-35EH-502\u003c\/strong\u003e — Handbook Erection and Maintenance Instructions, Navy Model P4M-1Q Aircraft (1 March 1955, Revised 1 March 1956)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard Aircraft Characteristics — P4M-1Q \"Mercator\"\u003c\/strong\u003e (1 February 1952) — declassified performance data sheet covering dimensions, weights, speed, range, and powerplant specifications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eEngine Technical Documentation — Allison J33 Series\u003c\/h3\u003e\u003cp\u003eThe P4M's auxiliary turbojets were Allison J33-A-10 units, modified to burn Avgas alongside the radial engines from a single unified fuel system. This collection includes the primary overhaul and service documentation for the J33 family:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eT.O. 2J-J33-23\u003c\/strong\u003e — Handbook Overhaul Instructions, Model J33-A-33 and J33-A-33A Aircraft Engine (1 December 1954, Revised 1 April 1958) — supersedes T.O. 2J-J33-23C and 2J-J33-23D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAN 02B-105BB-2\u003c\/strong\u003e — Handbook Service Instructions, Models J33-A-10A and -20 Aircraft Engines (1 December 1956) — published under authority of the Chief of the Bureau of Aeronautics\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllison J-33 Service School Training Manual\u003c\/strong\u003e (Preliminary) — Allison Division, General Motors Corporation, Indianapolis — factory training manual covering engine theory, systems, and servicing procedures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eAerodynamic \u0026amp; Handling Studies\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eVariable airfoil profiles: inboard section optimized for structural strength around the massive engine nacelles; outboard section minimized drag and maximized high-speed roll authority\u003c\/li\u003e\n\u003cli\u003eShoulder-wing configuration maintaining excellent lift efficiency and clean airflow during prolonged, heavily-loaded maritime patrols\u003c\/li\u003e\n\u003cli\u003eVertical stabilizer offset from fuselage centerline to counteract immense rotational torque from the 4-bladed constant-speed propellers\u003c\/li\u003e\n\u003cli\u003eNATC flight test records confirming stable single-engine handling — safe flight sustained with one nacelle completely shut down on either the radial or auxiliary jet alone\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003ePerformance Data (NATC Baseline)\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eMaximum speed: over 350 mph (304 kt) at altitude, all four engines engaged\u003c\/li\u003e\n\u003cli\u003eCruising speed: 200 mph (174 kt) on radial engines only\u003c\/li\u003e\n\u003cli\u003eMaximum takeoff weight: 92,500 lbs\u003c\/li\u003e\n\u003cli\u003eCombat radius: approximately 3,000 miles — extended SIGINT\/ELINT patrol operations\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDocument Manifest\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eReference\u003c\/th\u003e\n\u003cth\u003eTitle \/ Focus Area\u003c\/th\u003e\n\u003cth\u003eDate\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eNAVAER 01-35EH-501\u003c\/td\u003e\n\u003ctd\u003ePilot's Handbook — P4M-1\u003c\/td\u003e\n\u003ctd\u003e1 May 1951\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNAVAER 01-35EH-502\u003c\/td\u003e\n\u003ctd\u003eErection \u0026amp; Maintenance Instructions — P4M-1Q\u003c\/td\u003e\n\u003ctd\u003e1 March 1955 \/ Rev. 1956\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSAC P4M-1Q\u003c\/td\u003e\n\u003ctd\u003eStandard Aircraft Characteristics — P4M-1Q Mercator\u003c\/td\u003e\n\u003ctd\u003e1 February 1952\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eT.O. 2J-J33-23\u003c\/td\u003e\n\u003ctd\u003eOverhaul Instructions — J33-A-33 \/ J33-A-33A Engine\u003c\/td\u003e\n\u003ctd\u003e1954 \/ Rev. 1958\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAN 02B-105BB-2\u003c\/td\u003e\n\u003ctd\u003eService Instructions — J33-A-10A and -20 Engines\u003c\/td\u003e\n\u003ctd\u003e1 December 1956\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAllison J-33 SSM\u003c\/td\u003e\n\u003ctd\u003eService School Training Manual — J33 Engine (Preliminary)\u003c\/td\u003e\n\u003ctd\u003ec. 1947–1950\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003cp\u003e⚠️ \u003cstrong\u003eRegulatory Notice:\u003c\/strong\u003e Under FAA 14 CFR § 43.13 and EASA Part-M, any mechanic performing maintenance on an active aircraft must use current, manufacturer-approved revision-controlled data. This archival document does not satisfy that requirement.\u003c\/p\u003e\u003cp\u003eThis is an archival, static-copy edition fixed at its original publication date. Intended for historical reference, flight simulation, museum restoration, and educational use only. Not approved for active airworthiness maintenance under FAA 14 CFR § 43.13, EASA Part-M, or equivalent international regulations. Operators of active aircraft must use current, revision-controlled publications from the Type Certificate holder or an authorized distributor.\u003c\/p\u003e\u003cp\u003eLiving Collections with Free Lifetime Updates – Please review our Legal Notice and Export Notice before purchasing.\u003c\/p\u003e","brand":"Online Aviation Library","offers":[{"title":"Default Title","offer_id":53742766850395,"sku":null,"price":34.85,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0955\/4788\/3867\/files\/p4m-mercator-banner-1-over-water.png?v=1786270263","url":"https:\/\/onlineaviationlibrary.com\/products\/martin-p4m-mercator-airframe-engine-primary-source-documentation-collection","provider":"Online Aviation Library","version":"1.0","type":"link"}